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Constructive Approximation is Scopus-indexed (Q1, CiteScore 6.3), WoS SCIE. It is covered by India's One Nation One Subscription scheme for reading access. Published by Springer New York.
Checked against the index lists dated .
ISSN 0176-4276Verify ISSN ↗1432-0940Verify ISSN ↗
Publisher: Springer New York
Cost to publish: About US$3,090 to publish open access (publisher list price, via OpenAlex) — subscription publishing may be free
| Subject area | Rank | Pctile | Q |
|---|---|---|---|
| Analysis | 9 / 210 | 95th | Q1 |
| Mathematics (all) | 23 / 414 | 94th | Q1 |
| Computational Mathematics | 25 / 212 | 88th | Q1 |
Not listed in: DOAJ, ABDC, ABS / AJG, FT50, UT Dallas, ONOS (APC covered)
Yes — actively indexed in Scopus, coverage 1985–present, best quartile Q1, CiteScore 6.3.
Constructive Approximation is Q1 in Analysis (rank 9 of 210), Q1 in Mathematics (all) (rank 23 of 414) and Q1 in Computational Mathematics (rank 25 of 212), by CiteScore 2025.
Constructive Approximation is indexed in the Science Citation Index Expanded, so it may have a Journal Impact Factor in Clarivate's Journal Citation Reports. JCR is paid, so check it for the current value. The closest free measure is its Scopus CiteScore 6.3, which places it in quartile Q1 at the 95th percentile of its subject. Its SCImago Journal Rank (SJR, a free Scopus-based metric) is 1.285, quartile Q1, with an H-index of 59.
The publisher lists an article processing charge of about US$3,090 for open access (source: OpenAlex). Many journals also publish by the subscription route at no cost to the author, so confirm on the journal's own website.
Constructive Approximation is published by Springer New York. Its print ISSN is 0176-4276 and its online ISSN is 1432-0940.
Yes. It is part of the One Nation One Subscription (ONOS) national subscription, so readers at participating Indian institutions get its full text. ONOS does not cover its article processing charge.
Yes — indexed in the Science Citation Index Expanded.
No — it is not registered as an open-access journal in DOAJ or Scopus.
Constructive Approximation has an h-index of 81 and a 2-year mean of 1.11 citations per paper (OpenAlex). Its Scopus CiteScore is 6.3, quartile Q1. On 2-year citations it ranks #66 of 193 Scopus journals in Analysis.
Constructive Approximation published 26 papers in 2025; its busiest recent year was 2023 with 61. 2026* is the year so far.
h-index, i10-index and 2-year mean citedness are open, licence-clear metrics from OpenAlex — not a proprietary impact factor. The subject rank counts only journals that OpenAlex has a figure for; it is not a Scopus or Clarivate ranking. Updated 2026-10-14.
In its latest 97 research articles (2024–2026), authors are most often from United States (19.1%), Germany (8.4%) and China (7.9%).
Countries are counted fractionally, so a paper by authors from two countries counts half to each.
Scopus status: Active. No retracted papers are recorded. The Problematic Paper Screener flags none of its papers. These are indicators to check, not findings against the journal.
Retractions from OpenAlex; flags from the Problematic Paper Screener (Cabanac, Labbé & Magazinov, CC BY), 2026-09-21 export. A flag marks a paper for a closer look; it is not a finding against the journal.
Index data is curated from public sources (Scopus, Web of Science, ABDC, FT50, UT Dallas, DOAJ). CiteScore and quartiles reflect the latest available Scopus release. Always verify a journal's current status on its official source before submitting.
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